Home / 3,100,798.80-4,638,076.20-2,783,246.40

Finding the Fourth Proportional to 3,100,798.80, 4,638,076.20 and 2,783,246.40

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Solution

The fourth proportional to 3,100,798.80, 4,638,076.20 and 2,783,246.40 is: 4,163,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,798.80 : 4,638,076.20 = 2,783,246.40 : x
  2. Step 2: Convert to fraction form
    3,100,798.80/4,638,076.20 = 2,783,246.40/x
  3. Step 3: Cross multiply
    3,100,798.80x = 4,638,076.20 × 2,783,246.40
  4. Step 4: Simplify right side
    3,100,798.80x = 12,908,908,886,575.68
  5. Step 5: Solve for x
    x = 12,908,908,886,575.68/3,100,798.80
  6. Step 6: Final answer
    x = 4,163,091.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.